Thrust roller bearing



FIG. 1 is a front view of a thrust roller bearing showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is an enlarged detail view of a portion thereof as indicated in FIG. 7, showing rollers and protrusions thereof; and,

FIG. 9 is an enlarged detail view of a portion thereof as indicated in FIG. 2, showing rollers and protrusions thereof.

The dashed broken lines merely show the perimeters of the enlarged detail views and form no part of the claimed design. 

CLAIM The ornamental design for a thrust roller bearing, as shown and described. 